The restoration and renovation of old industrial buildings has become a key issue in the field of engineering. In this article, the application of nano-materials in concrete was analyzed, nano-modified cement materials with different nano-silica (NS) content were designed, which were divided into group N, group NS1, group NS2, and group NS3, and the compression and fracture resistance, frost resistance, and bond performance of each group were analyzed. The results showed that the addition of NS could improve the compression and fracture resistance of the material. When the age was 28 days and the content of NS was 2%, the compression and fracture resistance of the material were better, 65.48 MPa and 8.34 MPa, respectively; when the freeze-thaw cycle reached 50 times, the mass loss rate and strength loss rate of different NS groups were lower than those of group N. When the content of NS was 2%, the frost-resisting performance was the best; the bond strength of different NS groups was also higher than that of group N, and the higher the content of NS, the higher the bond strength. The experimental results prove the effectiveness of NS in improving the properties of materials and in the restoration and renovation of old industrial buildings, providing some theoretical support for its application and promotion in practice.


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    Titel :

    Research on the Renovation of Old Industrial Buildings Based on Nano-Modified Cement Materials


    Weitere Titelangaben:

    Sae Int. J. Mater. Manf
    Sae International Journal of Materials and Manufacturing


    Beteiligte:


    Erscheinungsdatum :

    2020-02-27


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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